摘要 |
PROBLEM TO BE SOLVED: To provide an easy adhesive polyester film excellent in the adhesiveness with a functional layer containing a water-soluble hydrophilic resin such as polyvinyl alcohol, polyvinyl acetal, nitrocellulose or polyoxyethylene. SOLUTION: An easy adhesive polyester film provided with an easy adhesive layer is obtained by coating at least the single surface of a polyester film before the completion of crystal orientation with an aqueous coating solution containing a resin copolymerized with polyalkylene oxide with the number of repeating units of 10-100 and applying drying, stretching and heat treatment to the coated film. |